Hemisphere:  Northern  ·  Contains:  Crab nebula  ·  M 1  ·  M1  ·  NGC 1952  ·  Sh2-244
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M1 - The Crab Nebula, a Supernova Remnant, 



    
        

            Jeffrey K Lovelace

M1 - The Crab Nebula, a Supernova Remnant

Imaging telescopes or lenses: PlaneWave Instruments CDK20

Imaging cameras: FLI ML-16803

Mounts: Planewave Instruments L500

Guiding cameras: QHYCCD QHY5III174

Software: Photoshop CC  ·  Starnet ++  ·  PixInsight Processing Software  ·  PlaneWave Instruments PWI 4  ·  PlaneWave Instruments PWI 3  ·  Sequence Generator Pro V3.0  ·  Open PHD Guiding PHD2 Guiding

Filters: Astrodon B 50mm square E Series  ·  Astrodon G 50mm square E Series  ·  Astrodon R 50mm square E Series  ·  Astrodon N-II 50mm square 3nm  ·  Astrodon O-III 50mm square 3nm  ·  Astrodon S-II 50mm Square 3nm  ·  Astrodon Hα 50mm square 3nm

Accessory: Pegasus Ultimate power box V2  ·  Astrodon Monster MOAG


Dates:Dec. 19, 2020

Frames:
Astrodon B 50mm square E Series: 39x60" -25C bin 1x1
Astrodon G 50mm square E Series: 48x60" -25C bin 1x1
Astrodon Hα 50mm square 3nm: 24x900" -25C bin 1x1
Astrodon N-II 50mm square 3nm: 24x900" -25C bin 1x1
Astrodon O-III 50mm square 3nm: 21x900" -25C bin 1x1
Astrodon R 50mm square E Series: 60x60" -25C bin 1x1
Astrodon S-II 50mm Square 3nm: 33x900" -25C bin 1x1

Integration: 27.9 hours

Darks: ~25

Flats: ~25

Bias: ~50

Avg. Moon age: 5.06 days

Avg. Moon phase: 26.27%


Astrometry.net job: 4133697

RA center: 5h 34' 33"

DEC center: +22° 1' 6"

Pixel scale: 0.541 arcsec/pixel

Orientation: 0.265 degrees

Field radius: 0.255 degrees


Resolution: 2403x2403

Data source: Own remote observatory

Remote source: Sierra Remote Observatories

Description

Data Acquisition from 2019-11-22 until 2020-12-19
DSO Color Mapping: Stars RGB, Nebula SNH-OH-OH
Original Image Scale: 0.54
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This is, of course, the first object penned in Charles Messier's famous list of Deep Sky Objects, the first list of its kind. This accomplishment was a complete accident, best described as Messier's catalogue of "strange things that definitely are not comets, so just ignore them."

In the mid and late 1700s Messier and all of Europe were thrilled by the fad of spotting comets. He created this list to warn others away from these fixed, faint, and fuzzy objects so no one would mistake them for anything really exciting. If only he knew...

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jklovelacephotography
Jeffrey K Lovelace
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M1 - The Crab Nebula, a Supernova Remnant, 



    
        

            Jeffrey K Lovelace