The Crab Nebula

Crab Nebula

Other names:M1
Distance:6500 lightyears
Date:02-Mar-2021, 05-Mar-2021, 07-09-Mar-2022, 22-23-Mar-2022
Telescope:GSO RC8
Field of view:41' x 23'
Cameras:Canon T3i mono mod, Canon 800D
Filters:Baader 7nm Ha, none/OSC
Mount:Skywatcher EQ6-R
Guiding:ZWO OAG, Lacerta MGen-II
Exposure time:14h 27min
OSC63 x 4min at ISO 400
Ha 41 x 15min at ISO 800
Sizes 1920 x 1080 | 2900 x 1988
No other object in my gallery has required as much time and patience as this one. I spent 10 nights imaging over the course of 13 months. Two of them a total failure, one of them yielding only a single subframe and others quite successful. In one night the moon was so close that a bright arc was cast onto the sensor and all subs needed to be cropped in order to be stackable at all. The seeing was poor quite often, up to 6 arcseconds in some nights.