Astrophotography

I like to do astrophotography. I won't claim any great expertise, but these may interest you. In many cases, clicking on the picture will magnify it.

Unless otherwise noted, these were taken with a 2000mm f/4.5 reflector and a Pentax K10D camera.

Sun

Sun with sunspots; most are bigger than the Earth Taken with a Photon Instruments 127mm f/9 refractor, ISO 100. 1/180th second, Thousand Oaks solar filter.

partial annular eclipse, May 2012 from Nevada200mm Pentax K10D f/6.7 1/500 sec., ISO-100, neutral density filter.

Moon

Gibbous Moon ISO-100 2000mmm f/4.5 Pentax K S-1 with 9mm eyepiece projection processed with RegiStax

Gibbous Moon ISO-100 2000mmm f/4.5 Pentax K S-1 with 9mm eyepiece projection processed with RegiStax and GIMP

Gibbous Moon ISO-100 2000mmm f/4.5 Pentax K S-1 with 9mm eyepiece projection processed with RegiStax

Gibbous Moon ISO-100 2000mmm f/4.5 Pentax K S-1 with 9mm eyepiece projection processed with RegiStax and GIMP

Gibbous Moon prime focus ISO-100 2000mmm f/4.5 prime focus Pentax K S-1 processed with RegiStax and GIMP

Gibbous Moon prime focus ISO-100 1/80th sec. 2000mmm f/4.5 Pentax K S-1 prime focus processed with RegiStax and GIMP

Gibbous Moon prime focus ISO-100 1/100th sec. 2000mmm f/4.5 processed with GIMP

Gibbous 25mm eyepiece projection 1414mm f/4.5 processed with RegiStax and GIMP

Gibbous 25mm eyepiece projection 1414mm f/4.5 processed with GIMP; perhaps a little overprocessed

Gibbous Moon prime focus 1414mm f/4.5 GIMP

less than 1st quarter

Gibbous Moon and hair on lens 12.5mm eyepiece projection RegiStax and GIMP

Closeup a bit over processed

Closeup a bit over processed

Closeup; not very sharp

Crescent Moon with Venus

Gibbous Moon overexposed and overprocessed

Gibbous Moon

Previous gibbous Moon improved with GIMP 1/250th sec., ISO-100.

Gibbous Moon

Gibbous Moon

Gibbous Moon

Gibbous Moon awesome!

Gibbous Moon awesome!

Gibbous Moon awesome!

Gibbous Moon awesome!

Gibbous Moon awesome!

Gibbous Moon cropped for crater detail

Gibbous Moon awesome!

Gibbous Moon awesome!

Gibbous Moon closeup less awesome

Full Moon rising through trees over Bogus Basin, a little out of focus

Closeup oversharpened!

Closeup, not oversharpened

Closeup, pretty good

Closeup, pretty good

Closeup, pretty good

1st Quarter

Just past 1st Quarter. 1/350th second, ISO 200

Comet

Comet "Hale-Bopp?: 1986? Done on film.

Jupiter

Jupiter with three satellites

Jupiter with four satellites

Jupiter overexposed and poor seeing; not awesome

Saturn

Saturn

Saturn a bit more magnification a bit over processed

Saturn okay

M42 in Orion

Perhaps a bit overexposed; some tracking failure

Came out well

Longer exposure reveal tracking errors

Way overexposed

Aurorae

Taken while visiting Fairbanks, April 2017 with a Pentax K10D 55mm ISO-1600, mostly with a 30 second exposure. The white blobs are overexposed stars.

Aurora

Aurora

Aurora

Aurora

Aurora

Aurora

Aurora

Aurora

Aurora

Aurora