The California Nebula (NGC 1499)

Posted by CraigAndTammy
on Sunday, November 8, 2009

by Craig and Tammy Temple


The California Nebula (Sh2-220) was discovered by E. E. Barnard in 1884. Named for it's resemblance to the U.S. State, it has a magnitude of 6.0, but a very low surface brightness. NGC1499 is located in the constellation Perseus. This image was acquired during a waning gibbous Moon at 77% illumination.

Telescope: William Optics ZenithStar 66 at f/4.7
Accessories: William Optics 0.8x FR/FF vII
Mount: Orion Atlas EQ-G controlled by EQMOD
Guiding: Orion StarShoot AutoGuider on Orion 80ED
Camera: Self-modified Canon Digital Rebel XT
Filters: Astronomik 6nm H-Alpha EOS Clip
Exposure: 18 x 600sec @ ISO 1600 (3hr.)
Acquisition: ImagesPlus 3.75 Camera Control
Processing: ImagesPlus 3.75 – Calibrated, registered, Min-Max excluded averaged, DDP
Post-processing: Adobe Photoshop CS4; Gradient XTerminator; Noise Ninja
Date(s): November 6, 2009
Temperature(s): 51ºF (dropped to 46ºF)
SQM reading (begin - end): 18.48 – 18.27 mags./sq. Arcsec

To leave a comment you must be a member of our community.
Login to your account now, or register for an account to start participating.
No one has commented yet.
Join our Community!

Our community is FREE to join. To participate you must either login or register for an account.


Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

Find us on Facebook