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12 February 2005

One of the best South Milky-Way's seen, unsuccessfully attempted 4 comets, saw an unexplainable meteorological phenomenon, windiest observing session ever !!

This is one of my wonderful early memories. This time I had gone along with a friend named Vinay, who was in contact with me only for some time then. He had spent a huge sum buying a 8" mirror and tube for his telescope from one of India's leading telescope manufacturers. And he made the dobsonian mount on his own. So we had taken his 8" f/5 to our southern site, Sivanhalli. But this this we didn't go to our site exactly, we took a diversion 2 km before the location and continued for some distance in that direction. We came across a small sloping land type of feature (a miniature version of a valley) and decided to stop there. Now setting up the telescope there was a problem as it was all rocky around us and uneven. But we took time to set it up as we reached early. In the meanwhile, we were having a good sunset. I had brought along my new Vivitar SLR camera which I had purchased just one month back on New Year's Day. I also had a tripod with me belonging to someone else. I knew nothing about astro-photography except tripod photography. So I decided to take some photos of twilight sunset. I took many frames.

The sky was getting dark. Yes !! this time we had a very bright Iridium satellite in the northern sky around mag. -7. These satellites are those communication ones which suddenly brighten up by a great magnitude and last only for few seconds. They look exactly like very bright meteors. I just wanted to get this splendid sight captured in my camera. Now the following instance happened which is a very big mystery. I aimed the camera at a particular location using the altitude and azimuth information given. The 3 of us waited for it to appear. Then suddenly a slow moving satellite appeared somewhere near to the predicted position. Thinking that satellite to be the one about to suddenly brighten up I aimed the camera there. But the exposure was already started, so I had to end it unnecessarily and start a new one in the new location. Then what happened should not have. In our original location, I saw another satellite move steadily and dimly initially and then suddenly brighten up to magnitude -6 or -7 as specified in the chart. And what had happened was that now the camera wasn't aimed there at all so I had missed it. Just because of confusion of another satellite had made me complicate maters. But when I got the reel developed, then I got another shock much bigger than this one. There really was something like an Iridium satellite registered on my reel !! I don't know how it was registered while shifting the camera position !!

After this instance, the sky got darker and darker. The first thing we noticed was the northern Milky-Way which was just fantastic with the Double Cluster bright. We were in a location with east and south horizon clearly viewed (except for some city lights in the east). The western location had some trees and so did north have some. We started with the usual Messier objects mainly clusters. But there was a faded comet in the northern sky in Cassiopeia. (I recollected the name looking at the software) It was C/2004 Q1 Tucker. I think I must have not even aimed for it because it was low in the northern city light-pollution. After that our observation must have continued for some time. I do not recollect much what happened after that.

By this time I was very well deep into time after the "comet-bug" bit me. It was around 1.5 years back that I had got extremely fascinated by comets (Reason unknown till date !!!) So this day I wanted to attempt for whatever comet was visible. In the western setting sky we had Taurus constellation. There was a periodic comet called 78/P Gehrels 2 with a period of 7.2 years. I have a special affinity to periodic comets (up to this day) just because of the spectrum of exciting and fascinating names they possess. So this time I had got to see it. I aimed for it with the 8" and I never knew how faint comets look like. This one was maybe 10th magnitude or so (don't recollect at all). I tried for it for 15-20 mins. at a stretch with no avail. So I had to give it up. This was my first comet attempt for the day and the second attempt in life after 2/P Encke.

In the south-western sky in Eridanus we had another faint comet of between 8-10 magnitude called C/2003 K4 LINEAR. So I moved the instrument toward this region. Now I'm very nervous when it comes to finding anything in crowded regions like Eridanus and Virgo. I am like this even today, then just imagine 1 year back when I was new to observation !! But I had a detailed finder chart with me and with naked-eye star-hopping I tried to get to the location where it was, between galaxies !! For the first time ever I had strained my eye to the limit for finding the faintest star visible to the eyes. I was roughly there and aimed the finder scope there. Then looked into the eyepiece and moved here and there for sometime. I came across something fuzzy and hardly noticeable to my inexperienced eyes. Remember all this time the constellation was quite into city lights. Upto this day I don't know what that was and after looking up in the chart I noticed that it was quite close to the planetary nebula NGC 1360. And I was sure of seeing that object rather than the comet. So this was probably the first day when I saw a new planetary NGC 1360 trying for something else. And this was my second comet attempt for the day. Look at the third finder chart below, showing what I missed that day, a comet, a galaxy and a planetary nebula all close to one field of view !!! Noted successful comet hunter Don Maccholz also recollects that once he too mistook this planetary for a new comet and reported it.

As night set in the sky grew darker and darker. Then we took some rest sometime late night and got up again at mid-night. There was a third comet in the Southern sky, the first one to be discovered that year, C/2005 A1 (LINEAR). It was somewhere deep in the dense Southern Milky-Way that day. Again with the help of the detailed finder chart, I tried to search for it but could nowhere get it. This was my fourth and last comet attempt for the day. After this we took rest for sometime, and mainly refuge from the chilly winds that were blowing hard, and I thought of continuing observing again early morning. This was the coldest observing session I had faced because of the lack of even one protective clothing above me other than the shirt that I was wearing, and to worse matters the harsh and cold winds !! Then at dawn the view of the Milky-Way was stupendous, beyond words, the density of stars. For the first and only time I could see the dense Southern Milky-Way of Crux and Centaurus region extending right up to the horizon !!

Now, I'm very fearful of the dark and especially when it comes to jungles.....the fear's pathetic. And the location which we had chosen for the night was the worst and the riskiest decision made by us. We chose to stay on a sloping land feature in a deviation from the forest main road, still we were in jungle premises (the city roads were around 10 km away). And people familiar with this place, no one dared enter this entire location in 2 or 4 wheelers after 6 pm because of the fear of wild elephants which create a havoc here and come in conflicts with humans. Out on the roads there are also good probabilities of leopards coming anywhere there. And we were in the open...with any thing just popping up from any side at any time in the peak of the night. What would we have done if either an elephant or leopard silently stalked around us?? And we were only 3 of us. So I HAD to be very close to both other companions due to the horror of the dark. Now they were complete beginners and so completely uninterested in deep-sky observing. So they decided to go to sleep after midnight in the car parked right beside the telescope and I was left to observe alone. This was a night of such a  terror that even though they were just 2 feet beside me in the car I was very, very scared to observe out alone !! I wanted them out of the car. And they didn't want to observe. For my sake of comfort, the door and window too couldn't be kept open because of the horrible winter and chills blowing especially that day, and we had no trees beside us to block winds too. I was in a big fix and even though terribly frustrated due to the best Milky-Way in front of me, I was helpless in overcoming the fear of being outside. And there was so much that I wanted to see. This was a night of ABSOLUTE TERROR !! Such are ups and downs in deep-sky observations in the darkest places !!

Finally I too had to go in the car for some time. But at dawn I decided to get out forcing even them to accompany me. The view after stepping out of the car was...HEAVEN ON EARTH !! especially in the South (because there is just nothing but forest and forest to the South of this place). As mentioned, stars upto 5 degrees above the horizon could be seen clearly. Now the following "thing" what I saw can never be explained by anyone who would even have a glimpse at it. When I looked at Ophiuchus constellation in the east, I saw a bright naked-eye tail-less comet like object near the star Eta Ophiuchi. It looked like a bigger and brighter version of Omega Centauri with naked-eyes. This was real suspicious because there is nothing of that sort there, it had to be unidentified, I knew that. But still I must have given a look at my finder chart to verify, just in case. I initially REALLY believed that I had discovered a naked-eye comet !! And as it is early morning and few people are observing I can be the first one to report it. But I thought of taking a look at it with the telescope. I aimed the finder there and the view through the finder was a different one, it really looked like a globular cluster, diffuse and unresolved. I was just eager to know how the view would be through the eyepiece would be. When I looked into the eyepiece....the view was the most shocking view anyone can ever have through the eyepiece in their entire life.......it was something really really really unexplainable and out of this world. I knew NO astronomical object would ever look like this and there's nothing created in astronomy like this. I'll like to explain how the object looked in my first thought "A center with very symmetrical arms of metallic and steel color. It had 3 purely symmetric arms on each side looking like a graphic of a galaxy created on computer with silver metallic color and this was bright" I looked again and again into the eyepiece hoping it's not a bad illusion that I'm seeing. I even called the other two friends who were there, total beginners in astronomy to have a look into the eyepiece. They had never looked into the eyepiece before to see a deep-sky object but still they questioned me about what was that? Then after some time this object, originally stationary, slowly started moving like how high clouds move. And with time it started dispersing and it's arms fading.

I still do not know up to today what it can be but I blame it to be an atmospheric phenomena created due to the extreme chilly and windy weather there. Waiting for that answer which will unlock the mystery of this phenomena. Overall one of the most memorable sessions had ended.


Comet finder charts created using "Cartes du Ciel" software :

 
   
         
Faded comet C/2004 Q1 (Tucker) in the northern sky in Cassiopeia   Periodic Comet 78/P Gehrels in Taurus   C/2003 K4 (LINEAR) in Eridanus equidistant (~ 1 degree) from planetary nebula NGC 1360 (mag. 9.4) and neighbouring galaxy NGC 1398 (mag. 9.7)