Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 82  ·  NGC 3034
M82 Urban, 


M82 Urban
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M82 Urban

Technical card

Imaging telescopes or lenses: Vixen Visac VC200L

Imaging cameras: Moravian Instruments G2-8300 FW  ·  Lodestar

Mounts: Gemini G42 Observatory+

Guiding telescopes or lenses: Vixen Visac VC200L

Focal reducers: Vixen F/6.4 VC200L reducer

Software: CCDStack  ·  photoshop  ·  Maxim DL

Filters: Astronomik B Type IIc  ·  Astronomik R Type IIc  ·  Astronomik CLS CCD Filter  ·  Ha

Accessory: SerialFocus  ·  JMI Motofocus

Dates:Feb. 25, 2012Feb. 26, 2012March 9, 2012

Astronomik B Type IIc: 40x120" (1h 20') -24C bin 2x2
Astronomik CLS CCD Filter: 70x360" (7h) -24C bin 1x1
Astronomik R Type IIc: 40x120" (1h 20') -24C bin 2x2
Ha: 80x600" (13h 20') -24C bin 1x1

Integration: 23h

Darks: 20

Flats: 20

Bias: 20

Avg. Moon age: 7.85 days

Avg. Moon phase: 43.06%

Bortle Dark-Sky Scale: 6.00

Temperature: 10.00

Basic astrometry details

Astrometry.net job: 95883

RA center: 09h55m51s.1

DEC center: +69°4218

Pixel scale: 0.885 arcsec/pixel

Orientation: -88.292 degrees

Field radius: 0.426 degrees

Resolution: 620x519

Locations: Backyard Observatory, Caselle Torinese, Torino, Italy


Image made under the Caselle Torinese urban sky.



T ambient= from 0 to 12 degrees

Main Telescope: Vixen VISAC VC200L f/6.3

Camera:Moravian G2-8300 FW + CLS

Guide: TS9OAG + lodestar

Mont: G42 observatory + with Pulsar2

Processing: CCDstack (calibration, stack and ddp filter deconvolution ) + Photoshop

70X360s @ -24°C cls filter

80X600s @ -24°C Ha 12nm

40X120s @ -24°C R filter

40X120s @ -24°C B filter

The green channel is syntetic (R 50% + B 50%)

20 dark

20 flat

20 bias


Sky plot

Sky plot


M82 Urban,