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; 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 awesome!

Gibbous Moon cropped for crater detail

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

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 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