dave halliday's photostream  

Bicubic spline upsampling applied to the original (3) images (Calibrated stacks..Ha/OIII/SII)...

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Uploaded on Jan 28, 2012

4 comments

Only 2x900 seconds (binned) OIII and SII here from the other night.. Hence the color blobs.. OIII...

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Uploaded on Jan 27, 2012

11 comments

Reprocess of previous image data Tried an old trick and used the NR in the ATrous Wavelets process...on the linear data.. Need to remember that one !

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Uploaded on Jan 27, 2012

2 notes / 6 comments

A bad first effort on this for 2012....Ha only worth posting so far..barely (!) It needs more subs.Maybe...

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Uploaded on Jan 26, 2012

8 comments

1985 (?) TeleVue Genesis (Astromart 2011) 101mm aperture @f/5 Nice and fast This is a great scope...and...

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Uploaded on Jan 23, 2012

25 comments

Another look at this faint PN.....also known as Abel 21,and PK 205+14.1 900 second binned exposures...(6...

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Uploaded on Jan 21, 2012

11 comments

Got a few more frames (not really enough for Drizzle to work well) Tried pushing the processing a...

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Uploaded on Jan 20, 2012

1 note / 4 comments

A nice planetary near the California Nebula Also know as the "Crystal Ball Nebula"... (??) W...

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Uploaded on Jan 19, 2012

7 comments

A little practice run on some LRGB files found here; www.mistisoftware.com/astr onomy/index_fits.htm In...

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Uploaded on Jan 19, 2012

21 comments

I only put three hours into this effort... so its no APOD...(!) apod.nasa.gov/apod/ap 110416.html 2x1500 Ha 6x600 OIII/SII (bin2)

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Uploaded on Jan 17, 2012

8 comments

Not great but the color spread is there...more or less...so I may redo this when its warmer out. At...

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Uploaded on Jan 14, 2012

11 comments

2x1800 sec (3nm Ha) ST10 Sky20cm @f/5 Moon fairly nearby.........

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Uploaded on Jan 5, 2012

18 comments

Just re/re/re convincing myself of the limited value of binning.... left;1x1800 Bin1 right;3x600 Bin2

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Uploaded on Jan 5, 2012

4 comments

1. NGC7293 Helix Nebula (Ha/OIII bicolor), 2. California Nebula, 3. Trunk NB, 4. IC 434 3x900sec Ha...

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Uploaded on Dec 31, 2011

25 comments

Poorly framed and abberated stars.. 2x1200 (Ha) Plan is to try using a blue filter (for the blue...

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Uploaded on Dec 29, 2011

1 note / 6 comments

Only had time for ONE binned OIII before the mount stopped.. (5x600 seconds Ha from last week.) So given what I had to work with...I am happy..:)

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Uploaded on Dec 24, 2011

1 note / 10 comments

An attempt at tricolor result OIII is VERY low...which makes it tricky. Color scheme is Hubble...which is...

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Uploaded on Dec 23, 2011

13 comments

4x1500 seconds Ha (3nm) ST10@-20C,20cm Skywatcher (with Moonlight) Some creative processing to...

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Uploaded on Dec 20, 2011

1 note / 10 comments