Tonight's Sky
Sun
Sun
Moon
Moon
Mercury
Mercury
Venus
Venus
Mars
Mars
Jupiter
Jupiter
Saturn
Saturn

Tonight's Sky — Change location

OR

Searching...

Tonight's Sky — Select location

Tonight's Sky — Enter coordinates

° '
° '

Web Extra: Capturing a colorful sky

Astrophotographer Gordon Haynes defeats a light-polluted sky with narrowband imaging.
RELATED TOPICS: ASTROIMAGING
Cederblad 215
Cederblad 215
Gordon Haynes
In the February 2015 issue of Astronomy, amateur astronomer Gordon Haynes described the journey he took to become the premier astroimager he now is.

Light pollution in Haynes’ neighborhood makes it hard for him to image in LRGB, so he did some research and discovered narrowband imaging. Simply put, narrowband imaging involves shooting through filters that transmit only a small (narrow) part of the light striking them. The three most popular filters are Hydrogen-alpha, Oxygen-III, and Sulfur-II. When Haynes processes the data he collects through the filters, he assigns each a “normal” color channel — red, green, and blue — and then combines them to create a final image.

We didn’t have room for all the wonderful pictures Haynes submitted with his story, so here are a dozen more that we know you’ll enjoy.
All images: Gordon Haynes
Cederblad 215
0

JOIN THE DISCUSSION

Read and share your comments on this article
Comment on this article
Want to leave a comment?
Only registered members of Astronomy.com are allowed to comment on this article. Registration is FREE and only takes a couple minutes.

Login or Register now.
0 comments
ADVERTISEMENT
FREE EMAIL NEWSLETTER

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

ADVERTISEMENT
ADVERTISEMENT
Apollo_RightRail
A chronicle of the first steps on the Moon, and what it took to get there.
Find us on Facebook