M1: Crab Nebula in Ha, OIII

e8cd6101bb3d99bc9d9504776d4fdf5c.1824x0_q100_watermark_watermark_opacity-3_watermark_position-6_watermark_text-Copyright Petko Marinov
The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus. Corresponding to a bright supernova recorded by Chinese astronomers in 1054, the nebula was observed later by English astronomerJohn Bevis in 1731. At an apparent magnitude of 8.4, comparable to that of the largest moon of Saturn, it is not visible to the naked eye but can be made out using binoculars under favourable conditions.

Imaging telescopes or lenses: Selfmade Super Astrograph 8″ f4
Imaging cameras: SBIG ST- 8300M
Mounts: Skywatcher AZ EQ6 GT
Guiding telescopes or lenses: Selfmade Super Astrograph 8″ f4
Guiding cameras: ALccd5-IIm
Software: Fitswork, Adobe Photoshop CS5
Filters: Baader Planetariun Ha 7nm, Baader Planetariun OIII 8.5nm
Accessories: TS 9mm OAG, Pal Gyulai Komakorrektor
Dates: March 11, 2014, March 12, 2014
Frames:
Baader Planetariun Ha 7nm: 16×900″
Baader Planetariun OIII 8.5nm: 16×900″
Integration: 8.0 hours

Autor: Petko Marinov

15 March 2014

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