Image of the day 12/23/2012

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M81 LRGB (14h40m total)

Technical card

Imaging telescopes or lenses: Astro-Tech AT10RC

Imaging cameras: SBIG STT 8300M

Mounts: Losmandy G11

Guiding telescopes or lenses: Astro-Tech AT10RC

Guiding cameras: SBIG STT 8300M

Software: PixInsightMicroprojects Equinox ImageAstrometry.net

Filters: Astrodon Blue G2EAstrodon Green G2EAstrodon Red G2EAstrodon Lum G2E

Accessories: SBIG STT-FW8

Resolution: 2744x2212

Dates: Dec. 18, 2012

Frames:
Astrodon Blue G2E: 46x240" -30C bin 2x2
Astrodon Green G2E: 56x240" -30C bin 2x2
Astrodon Lum G2E: 62x240" -30C bin 1x1
Astrodon Red G2E: 56x240" -30C bin 2x2

Integration: 14.7 hours

Darks: ~10

Flats: ~20

Flat darks: ~20

Bias: ~10

Avg. Moon age: 5.17 days

Avg. Moon phase: 27.30%

Bortle Dark-Sky Scale: 8.00

Temperature: 4.00

RA center: 148.891 degrees

DEC center: 69.066 degrees

Pixel scale: 0.553 arcsec/pixel

Orientation: 86.015 degrees

Field radius: 0.271 degrees

Locations: Casa de Rob, Oakland, CA, United States

Description

62x240s L (bin 1x1) 4h8m
56x240s R (bin 2x2) 3h36m
56x240s G (bin 2x2) 3h44m
46x240s B (bin 2x2) 3h04m

total 14h40m

AT10RC
Losmandy G11 + Gemini-II
STT-8300M + Self-Guiding filter wheel FW8-STT
Astrodon G2E LRGB filters
Captured with Equinox Image
Processed with Pixinsight 1.7

Comments

pfile
License: None (All rights reserved) Nov. 2, 2013

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M81 LRGB (14h40m total), pfile