Contains:IC 1396
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Elephant's head nebula in Hydrogen-alpha, 




    

        stevebryson

Elephant's head nebula in Hydrogen-alpha

Technical card

Imaging telescope or lens:ED80

Imaging camera:SBIG ST-8300C

Mount:Orion Atlas EQ-G

Guiding telescope or lens:ED80

Guiding camera:The Imaging Source DMK 21AF04

Focal reducer:William Optics FF/FR 0.8x Tipo II

Software:photoshopPixInsightNebulosityMicroprojects Equinox Image

Filter:Orion H‑Alpha 7nm

Accessory:Orion Thin OAG

Resolution: 1578x1219

Dates: Oct. 14, 2013

Frames: Orion H‑Alpha 7nm: 21x1800" -15C bin 2x2

Integration: 10.5 hours

Avg. Moon age: 10.11 days

Avg. Moon phase: 77.41%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 88993

Locations: Home, San Rafael, California, United States

Data source: Unknown

Description

This far north, a 30-minute exposure is enough for the stars to show a little image rotation due to the off-axis guiding.

Comments

Author

stevebryson
stevebryson
License: Attribution-NonCommercial-ShareAlike Creative Commons
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Elephant's head nebula in Hydrogen-alpha, 




    

        stevebryson