Search found 1449 matches

by highfnum
Sun Oct 25, 2020 9:54 am
Forum: Sunlit Earth
Topic: mars UV ir color
Replies: 2
Views: 35

mars UV ir color

seeing was kinda bad
so when you are handed lemons make lemon aid
i did UV which picks up haze real well
IR and color
Capture 10_24_2020 9_47_48 PMc8uv.jpg
Capture 10_24_2020 9_47_48 PMc8uv.jpg (44.03 KiB) Viewed 35 times
Capture 10_24_2020 9_41_20 PMc8ir.jpg
Capture 10_24_2020 9_41_20 PMc8ir.jpg (19.76 KiB) Viewed 35 times
Capture 10_24_2020 10_08_49 PMc8.jpg
Capture 10_24_2020 10_08_49 PMc8.jpg (44.02 KiB) Viewed 35 times
by highfnum
Wed Oct 21, 2020 9:32 pm
Forum: Sunlit Earth
Topic: IR mars on steady night
Replies: 14
Views: 220

Re: IR mars on steady night

W H Wright did infrared images bak in 1920's
by highfnum
Wed Oct 21, 2020 7:47 pm
Forum: Sunlit Earth
Topic: Mini Mars-ani October 19, 2020
Replies: 7
Views: 99

Re: Mini Mars-ani October 19, 2020

i like comparison to map image
by highfnum
Wed Oct 21, 2020 2:12 pm
Forum: Sunlit Earth
Topic: IR mars on steady night
Replies: 14
Views: 220

Re: IR mars on steady night

more ir mars c925 this time
various dates
Capture 10_9_2020 3_26_56 AM925ir.jpg
Capture 10_9_2020 3_26_56 AM925ir.jpg (28.53 KiB) Viewed 100 times
Capture 10_17_2020 11_56_35 PMc925b.jpg
Capture 10_17_2020 11_56_35 PMc925b.jpg (30.41 KiB) Viewed 100 times
Capture 10_20_2020 10_43_42 PM925ir.jpg
Capture 10_20_2020 10_43_42 PM925ir.jpg (10.13 KiB) Viewed 100 times
Capture 10_20_2020 10_40_44 PM925ir.jpg
Capture 10_20_2020 10_40_44 PM925ir.jpg (18.46 KiB) Viewed 100 times
by highfnum
Tue Oct 06, 2020 6:29 am
Forum: Sunlit Earth
Topic: IR mars on steady night
Replies: 14
Views: 220

Re: IR mars on steady night

last night same set up
Capture 10_6_2020 1_47_31 AMc8irp.jpg
Capture 10_6_2020 1_47_31 AMc8irp.jpg (20.11 KiB) Viewed 184 times
Capture 10_6_2020 1_48_57 AMc8irp.jpg
Capture 10_6_2020 1_48_57 AMc8irp.jpg (19.54 KiB) Viewed 184 times
by highfnum
Sun Oct 04, 2020 8:01 am
Forum: Sunlit Earth
Topic: IR mars on steady night
Replies: 14
Views: 220

IR mars on steady night

calm sky helps
C8 asi120mm IR filter
Capture 10_4_2020 2_20_33 AMc8irr5p.jpg
Capture 10_4_2020 2_20_33 AMc8irr5p.jpg (21.12 KiB) Viewed 220 times
by highfnum
Fri Oct 02, 2020 9:56 pm
Forum: This is SolarChat !!
Topic: quick test with internal apodization filter
Replies: 6
Views: 132

Re: quick test with internal apodization filter

so are is close in shot no APD vs APD
66noapdbaader.jpg
66noapdbaader.jpg (70.49 KiB) Viewed 130 times
66apdbaader.jpg
66apdbaader.jpg (120.41 KiB) Viewed 130 times
by highfnum
Fri Oct 02, 2020 9:55 pm
Forum: This is SolarChat !!
Topic: quick test with internal apodization filter
Replies: 6
Views: 132

Re: quick test with internal apodization filter

face view
APDfilter2.jpg
APDfilter2.jpg (212.7 KiB) Viewed 131 times
by highfnum
Fri Oct 02, 2020 9:53 pm
Forum: This is SolarChat !!
Topic: quick test with internal apodization filter
Replies: 6
Views: 132

quick test with internal apodization filter

normally screen apodization filters used to to mitigate "seeing" are only used on planets due to spectrum grating overlap however there is now such a filter that is a variable ND filter that you can place in optical path that does not create unwanted spectrum overlap since daytime seeing is usually ...
by highfnum
Mon Jul 27, 2020 9:37 pm
Forum: Sunlit Earth
Topic: MARS
Replies: 4
Views: 293

Re: MARS

south polar cap
by highfnum
Mon Jul 27, 2020 9:28 pm
Forum: This is SolarChat !!
Topic: Three metals sun
Replies: 7
Views: 303

Re: Three metals sun

cak omega filter
others quark
by highfnum
Mon Jul 27, 2020 12:18 pm
Forum: Sunlit Earth
Topic: NEOWISE outside my front door
Replies: 14
Views: 613

Re: NEOWISE outside my front door

a lot of comets have green color
what is unusual is green head ruddy brown tail
by highfnum
Mon Jul 27, 2020 10:18 am
Forum: Sunlit Earth
Topic: MARS
Replies: 4
Views: 293

MARS

mak7
mak72020mmars.jpg
mak72020mmars.jpg (20.2 KiB) Viewed 293 times
marsmak72020.jpg
marsmak72020.jpg (24.35 KiB) Viewed 293 times
by highfnum
Sun Jul 26, 2020 8:24 pm
Forum: This is SolarChat !!
Topic: Three metals sun
Replies: 7
Views: 303

Three metals sun

Sodium Magnesium CalciumK
sodiumspt2.jpg
sodiumspt2.jpg (234.97 KiB) Viewed 303 times
mgsunwe.jpg
mgsunwe.jpg (306.87 KiB) Viewed 303 times
cakspt66.jpg
cakspt66.jpg (226.73 KiB) Viewed 303 times
by highfnum
Sun Jul 26, 2020 4:29 pm
Forum: Sunlit Earth
Topic: NEOWISE outside my front door
Replies: 14
Views: 613

Re: NEOWISE outside my front door

same canon camera and apo66
can1minasm2f.jpg
can1minasm2f.jpg (108.11 KiB) Viewed 495 times
by highfnum
Sun Jul 26, 2020 4:27 pm
Forum: Sunlit Earth
Topic: NEOWISE with video camera
Replies: 14
Views: 513

Re: NEOWISE with video camera

thx i tried BW camera with 66mm apo

and also tried to pick up sodium signal (was weak)
VdDDDDDDDCCCrrrrrffffftvvvvvcfapo66neobw.jpg
VdDDDDDDDCCCrrrrrffffftvvvvvcfapo66neobw.jpg (75.47 KiB) Viewed 396 times
sodum66neo.jpg
sodum66neo.jpg (93.78 KiB) Viewed 396 times
by highfnum
Sat Jul 25, 2020 6:54 pm
Forum: Sunlit Earth
Topic: NEOWISE with video camera
Replies: 14
Views: 513

Re: NEOWISE with video camera

older BW video camera 7 14 sec
neosebw7p.jpg
neosebw7p.jpg (126.16 KiB) Viewed 424 times
BW14neob.jpg
BW14neob.jpg (115.19 KiB) Viewed 424 times
by highfnum
Sat Jul 25, 2020 6:52 pm
Forum: Sunlit Earth
Topic: NEOWISE with video camera
Replies: 14
Views: 513

Re: NEOWISE with video camera

a couple of more from last night
xterminator - color 16 and 20 sec
neoxterm16filyrt.jpg
neoxterm16filyrt.jpg (139.33 KiB) Viewed 427 times
xtern20filrt.jpg
xtern20filrt.jpg (194.8 KiB) Viewed 427 times
by highfnum
Wed Jul 22, 2020 6:34 pm
Forum: Sunlit Earth
Topic: NEOWISE with video camera
Replies: 14
Views: 513

Re: NEOWISE with video camera

mallincam xterminator
by highfnum
Wed Jul 22, 2020 12:35 pm
Forum: Sunlit Earth
Topic: NEOWISE with video camera
Replies: 14
Views: 513

Re: NEOWISE with video camera

ok
by highfnum
Wed Jul 22, 2020 10:23 am
Forum: Sunlit Earth
Topic: NEOWISE with video camera
Replies: 14
Views: 513

NEOWISE with video camera

good old days of video
weather was a bit of a problem
16 seconds
70mm F1.2 lens
ffdedffggffffggggfffffhhhvvvvneo1p.jpg
ffdedffggffffggggfffffhhhvvvvneo1p.jpg (153.19 KiB) Viewed 513 times
neoxs.jpg
neoxs.jpg (93.56 KiB) Viewed 513 times
ffdedffggneosm.jpg
ffdedffggneosm.jpg (143.85 KiB) Viewed 513 times
by highfnum
Mon Jul 20, 2020 12:04 pm
Forum: Sunlit Earth
Topic: NEOWISE outside my front door
Replies: 14
Views: 613

Re: NEOWISE outside my front door

yes
by highfnum
Sun Jul 19, 2020 12:22 pm
Forum: Sunlit Earth
Topic: NEOWISE outside my front door
Replies: 14
Views: 613

Re: NEOWISE outside my front door

yes i was tracking
65miles north of nyc