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Hi all, just wanted to share my first stacked Jupiter pic. It's nothing special, but I'm happy enough as it is my first attempt at Jupiter with a webcam. Outside is very windy (especially on the roof) and cloudy, but I managed to capture some wobbly frames of Jupiter between the clouds It was also the first time I was able to do some rough polar alignment and successfully track an object, and the first light for my new Vixen eyepieces and my new Antares 3X Barlow lens. The preview on Sharpcap didn't show any color, even though the Saturation was about 70. I tried to increase it but the image was only showing artifacts rather then colors, so I ended up with monochrome captures any suggestion? Telescope: Skywatcher Explorer 200P Mount: Eq5 + Dual Axis Motor Barlow: Antares 3X Camera: XBOX Live Vision Cam Software: Sharpcap + Registax 6 on Windows XP (Virtual Machine on MacBook Pro) and Adobe Lightroom for OS X Location: Cork City, Ireland Jupiter (click to enlarge) And my rooftop: I have captured several AVI's so I hope come back with better pics. Clear Skies Riky
Well, this is my first ever topic on Stargazer's Lounge! I'm really enjoying these amazing forums only after a matter of minutes on the site. I was out stargazing tonight with my Celestron 114LCM 4.5 inch reflector. I was surprised to see a clear sky after the constant rain showers we got earlier today. I looked to the east and I seen the beautiful constellation that is Orion. Something I haven't seen in a while! But after I aligned my telescope, I looked around Orion and I started to look at Eridanus the river. A constellation that never really gets much attention ( except for Epsilon Eridani which I also observed tonight ) So I started at Beta Eridani and made my way down the river observing each star in the constellation that made up the Eridanus figure. When I got up to Zeta Erdani ( Zibal ) I observed it's lovely orange hue for a few seconds until a HUGE orange fireball crossed it!! It was at least -1 magnitude! I jumped out of my skin when I seen it through my telescope. It couldn't of been a plane or helicopter cause it was going way to fast to be one! It was a crazy event to witness alright but it was also pretty cool. The fireball was seen in South East Ireland in Eridanus at about 11:15.
Surfing the internet, I recently came across an interesting little library in Dublin which includes a small but rather choice collection of astronomy books mainly from the seventeenth century. Edward Worth (1678-1733) was a leading Dublin doctor who left his personal library to the Dr Steeven's Hospital. Obviously the collection is strong on medicine, but covers other areas including over 60 early books on astronomy with works by Brahe, Galileo, Huygens etc. The hospital closed in the 1980s, but the library remains intact and can be visited by appointment. The librarian, Dr Boran, has prepared several on-line exhibitions reflecting aspects of the collection. In 2009 she put up some pages on astronomy - nice stuff! Here's the link: http://astronomy.edwardworthlibrary.ie/ If you want to identify specific books in the holding, there is also an on-line catalogue: http://edwardworthlibrary.ie/our-catalogue/
Hello all, last I night I give a try at Orion Nebula when the clouds were not in the way I live in a fairly light polluted city centre (with a thick orange sky glow) so I decided to buy a Baader UHC-S filter to see if it would help, so this is my first light with the UHC-S and I was chuffed! In my opinion, it's worth every cent! Normally, even when taking a lot of subs, darks and flats I end up with weird gradients, heavy noise, lack of contrast and other annoying artifacts that not even post processing can get rid of, but last night the UHC-S blessed me and with only a bunch of quick subs and darks I've finally got some decent contrast, decent colours and detail ! Again, not an Hubble grade picture and very far from those crazy 100 hours Ha-RGB stacks, but it's my first half-decent DSO image so I'm happy with it (it must have been my lucky night yesterday, as I was lucky also with Jupiter). I think it needs some more post processing as there is a bit more signal and nebulosity to squeeze out. Any comment or advise appreciated! Celestron 80ED (F/7.5) Motorised EQ5 (Rough polar alignment) 2" UHC-S Filter Nikon D7000 20 subs, 20 seconds each, ISO 1600 5 Darks Churned by DSS Squeezed by Adobe Lightroom Thanks for watching!
Hi all, the weather wasn't promising but I thought I would stay under the rain and take the chance. At sunrise, I started shooting without any filter (humidity and clouds were enough as filters) and I'm so happy I was able to capture Venus passing in front of the sun :D Click to enlarge: