Here are some sample SQM readings using the Dark Sky Meter for iPhone. Skies in Ocala are a Bortle scale 6 and the Milky Way is faint on the the best of nights at zenith.
http://bit.ly/1dX4vDs
Losmandy G11 with Gemini 2 Periodic Error (PEMPro)
My findings on PE and the Losmandy G11 "stock" worm gear BEFORE and AFTER PEC using PEMPro...
This was my first time using PEMPro and I followed the directions as outlined.
The first curve (Before PEC) was taken with 7 cycles and the second curve (After PEC) was taken with 3 cycles.
Focal length of scope 1625mm
Imaging camera QSI 683
Mount: Losmandy G11 with Gemini 2
If I did this correctly (and I understand what was collected) I am quite happy with these results.
Before PEC
After PEC
Current equipment and configuration
Current equipment and configuration...
Astro-Tech 8" Ritchey-Chretien with a focal length of 1625mm (f/8)
Losmandy G 11 mount with Gemini II
Astro-Tech 2" Field Flattener
7.5mm extension ring by Baader Planetarium
7.5mm extension ring by Baader Planetarium
Starlight Xpress Lodestar
Quantum Scientific Imaging, Inc. 683wsg-8 Monochrome CCD Camera
Astrodon Tru-balance E-Series Generation II LRGB
Astrodon 5nm SII. OIII and Ha Narrowband Filter
M106
M106 is a Spiral galaxy in Canes Venatici ~23.7
million light years from Earth.
Imaged February 15, 16, 28 and March 2 2014 fromOcala
1 6 min hours each RGB
3 hours and 40 min Luminance
2 hours and 20 min Ha
Processed in Photoshop CS5
Imaging camera: QSI 683 wsg-8
Imaging telescope: Astro-Tech 8" Richey-Chretien
Losmandy G-11 with Gemini II
Imaged February 15, 16, 28 and March 2 2014 from
1 6 min hours each RGB
3 hours and 40 min Luminance
2 hours and 20 min Ha
Processed in Photoshop CS5
Imaging camera: QSI 683 wsg-8
Imaging telescope: Astro-Tech 8" Richey-Chretien
Losmandy G-11 with Gemini II
M106 reprocess
Here is a reprocess of
M106 that I worked on over the weekend. ..
M106 is a Spiral
galaxy in Canes Venatici ~23.7 million light years from Earth.
Imaged from Ocala,
FL using a combination of 6 min and 10 min exposures stacked in DeepSkyStacker for a total of 6 hours 40 min.
1 hours each RGB
3 hours and 40 min Luminance
Photoshop CS5
Imaging telescope: Orion 80mm EON
Orion 50mm guidescope with SSAG
Imaging camera: QSI 683 ws
Losmandy G-11 with Gemini II
Hutech IDAS Light Pollution Suppression (LPS)
Filter
Barnard 33, the Horsehead nebula
Barnard 33 the
Horsehead nebula
12/17, 12/18 and
12/22, 2011 and 1/2, 1/3 2012
Emission, reflection
and dark nebula ~1,344 light years from Earth located in the Orion constellation.
RGB data: combination
of 2 minute and 4 minute exposure stacked in DSS for a total of 5 hours and 2
min
PS CS5
RegiStar
Orion 80mm EON
Orion 50mm guide
scope with SSAG
Canon T1i
Losmandy G-11 with
Gemini II
Atronomik 6nm Ha clip
filter for Canon EOS
Hutech IDAS Light
Pollution Suppression (LPS) Filter
M82 the Cigar galaxy
M82, with supernova SN 2014J, the Cigar galaxy in Ursa Major is 11.8 million light years from Earth.
The galaxy center of M82 is active with high rate of star formation caused by the gravitational effect from nearby spiral galaxy, M81.
This is a composite image taken from two different telescopes and two different cameras. The color is from a Canon T1i that was collected in 2011. The QSI 683wsg-8 was used to collect Luminance and Hydrogen-alpha data.
RGB data: Combination of 120 sec and 180 sec exposures stacked in DSS for a total integration time of 6 hours and 32 min. using Canon T1i.
Luminance data: 360 second exposures totaling 2.2 hours of integration using QSI 683wsg-8.
Hydrogen-alpha data: 20 minute exposures totaling 2 hours and 40 minutes of integration using the QSI CCD camera
Astro-Tech 6" Richey-Chretien (RGB)
Astro-Tech 8" Richey-Chretien (Luminance)
Celestron CG-5 German equatorial mount (2011)
Losmandy G11 with Gemini 2 (2014)
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