Dates: Jan. 8, 2018
Frames: ZWO LRGB Filters: 750x7" (gain: 0.75) -20C bin 1x1
Integration: 1.5 hours
Avg. Moon age: 21.72 days
Avg. Moon phase: 54.59%
Bortle Dark-Sky Scale: 4.00
Astrometry.net job: 1955700
RA center: 83.635 degrees
DEC center: 22.017 degrees
Pixel scale: 0.412 arcsec/pixel
Orientation: 301.965 degrees
Field radius: 0.137 degrees
Locations: Home Observatory, Budy Dłutowskie , Pabianice, Poland
Finally after one month of waiting I get colour signal for my Messier 1 photo (Crab Nebula)
A few words about the object - it is a supernova remnant observed in 1054. It is located in the constellation of Taurus and it is quite bright (8,5 mag) but it also has a not so bight surface brightness due to quite big size on sky (angular size).
Central point of nebula is pulsar - neutron star rotating with enourmus speed 30x per second. It has only 10km (!) of diameter but mass equal 0,6 mass of the Sun - so it has great density and enourmus brightness.
I saw that in this object it is very good to use Ha+LRGB composition. I don't Ha filter so I used signal from red filter instead.
It is a scale of 0,41 '' / pix.
Photo without resize - just a little crop to remove ampglow.
Newton 250/1250 on NEQ-6 + ASI 180MM-C + Baader LRGB
L - 750 x 7s (gain 75%)
RGB-100 x 10 s (gain 75 %) per channel
Two versions - full and crop on nebula
This page or operation is not available at the moment, because AstroBin is in READ ONLY mode. For more information, please check out our Twitter feed: https://twitter.com/AstroBin_com
If this image is the result of your processing of a public data pool, you can send it the pool so it's displayed there.
Use this form to select an existing public data pool.
If this image is the result of your processing of a private shared folder, you can send it the folder so it's displayed there.
Such limitation improves the website as a whole by discouraging people from creating fake accounts to like their own images. Thank you for understanding!
Currently, your AstroBin index is 0.00.