Contains: M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
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M81 / NGC 3031 / Bodes Nebulae M82 / NGC 3034 / Cigar Galaxy

Technical card

Resolution: 4656x3520

Dates: Feb. 2, 2017Feb. 3, 2017Feb. 20, 2017Feb. 21, 2017Feb. 22, 2017Feb. 23, 2017Feb. 26, 2017Feb. 27, 2017Feb. 28, 2017

Astronomik CLS 36mm: 497x30" -15C bin 1x1
Astronomik Deep-Sky B 36mm: 108x60" -15C bin 1x1
Astronomik Deep-Sky G 36mm: 94x60" -15C bin 1x1
Astronomik Deep-Sky R 36mm: 74x60" -15C bin 1x1

Integration: 8.7 hours

Darks: ~36

Flats: ~50

Bias: ~50

Avg. Moon age: 16.07 days

Avg. Moon phase: 18.61%

Bortle Dark-Sky Scale: 6.00 job: 1482947

RA center: 148.932 degrees

DEC center: 69.311 degrees

Pixel scale: 0.809 arcsec/pixel

Orientation: -90.077 degrees

Field radius: 0.656 degrees

Locations: Little Dipper Observatory, Mansfield, MA, United States


I am still gathering data on this target, but now that the Moon is up, I'll have to wait until toward the end of March. However, it's not such a bad idea to see where the data you have is going.

I tried imaging M81/M82 as one of my very first images back in 2015: . This is a big leap forward from 2015, but plan on adding another 8+ hours to this later this month. The goal is to see if I can get any IFN (in my very light polluted skies) and I also want to add some Ha as well.



Ron Bokleman

Sky plot

Sky plot


M81 /  NGC 3031 / Bodes Nebulae M82 / NGC 3034 / Cigar Galaxy, Ron Bokleman

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