Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 4051  ·  NGC4051  ·  PGC2242755  ·  PGC2246280  ·  PGC2246304  ·  PGC2247108  ·  PGC2250711  ·  PGC2251389
NGC 4051, 


Powered byPixInsight

NGC 4051

Technical card

Imaging telescopes or lenses: Astro-Tech AT8RC

Imaging cameras: SBIG STF-8300M

Guiding cameras: QHY5L-II Mono

Software: PixInsight  ·  Voyager

Filters: Baader Blue 36mm  ·  Baader Green 36mm  ·  Baader Red 36mm  ·  Baader Luminance 36mm

Accessory: Dew-Not DN09 Dew Heater  ·  Teleskop Service TSFlat2 field flattener  ·  SBIG OAG-8300  ·  Moonlite CSL 2.5" Threaded Focuser  ·  Kendrick Standard Dual Channel Dew Controller

Dates:April 18, 2020April 20, 2020April 21, 2020

Baader Blue 36mm: 14x600" -20C bin 1x1
Baader Green 36mm: 600x11" -20C bin 1x1
Baader Green 36mm: 4x600" -20C bin 1x1
Baader Luminance 36mm: 34x600" -20C bin 1x1
Baader Red 36mm: 17x600" -20C bin 1x1

Integration: 13.3 hours

Avg. Moon age: 26.89 days

Avg. Moon phase: 8.83%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 3460654

RA center: 12h 3' 10"

DEC center: +44° 31' 53"

Pixel scale: 0.691 arcsec/pixel

Orientation: -0.010 degrees

Field radius: 0.398 degrees

Resolution: 3300x2500

Data source: Backyard


This galaxy isn't imaged very often, which is surprising given its location, and beautiful spiral shape. On the other hand, it is surprisingly difficult given its surface brightness.


Sky plot

Sky plot


NGC 4051,