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sdufoer
super member
Reged: 07/31/06
Posts: 100
Loc: Bruges, Belgium
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What are te best filters to use with a ST10XME? The SBIG (custom scientific) LRGB filterset or Astronomik LRGB c2 filterset?  I image at a lightpolluted site. 
This is the transmission curve for the SBIG filters:
And this is the transmission curve for the Astronomik filters:
I was told that the gap between green and red of the SBIG filters was better to block lightpollution, but I'm not sure about the exposure rates. I want to get close to the 1:1:1  And yes, I like those realcolor deepblue images of galaxies. 
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Sjoerd Dufoer (website)
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Losmandy G11 mount
Vixen VC200L VISAC Cassegrain
Vixen ED80sf Refractor
SBIG ST10XME camera
Orion Optics (uk) OMC140 Maskutov Cassegrain
Vixen GP mount
Coronado Solarmax40
13" F5.6 ATM trusstube dobson
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Dean
Postmaster
Reged: 12/31/04
Posts: 5431
Loc: Bailey Co Elev 8780 feet
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I'm not that familiar with Astronomik filters, but looking at the charts I would guess they they would need more blue exposure than the SBIG filters. With the SBIG filters and an ST10MXE, you need twice the blue exposure as you do red, so I would expect you would need even more blue exposures with the Astronomik filters.
I originally used SBIG filters with my ST10MXE and had problems with light leaking past the filters with 2 sets and ended up switching to Astrodon E-series. The Astodon's also are much closer to 1:1:1 than the SBIG filters - close enough that I shoot RGB at 1:1:1 and make adjustments when I combine the RGBs.
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"Don't sweat the petty things and don't pet the sweaty things" - George Carlin
deanrowe.net/astro
Whats with that avatar?
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melvy
professor emeritus
Reged: 10/17/03
Posts: 710
Loc: Shoreline WA
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I would also have to give Astrodon the nod, the I-series helps a great deal with red throughput, and I assume the E-series would do the same for blue on the st10.
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WO Megrez 80 SAPO
WO 66 SD APO
TMB SS 130 APO
C8 XLT SCT
Losmandy GM-8 w/Gemini
Losmandy G-11 w/Gemini
Discmount DM6
SBIG ST-2000XM/AO7
Marc Elvy
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sdufoer
super member
Reged: 07/31/06
Posts: 100
Loc: Bruges, Belgium
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Well, I would rather like the astrodon's of course. But I have now the opportunity to trade my astronomik's for SBIG's. So I have no additional costs. 
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Sjoerd Dufoer (website)
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Losmandy G11 mount
Vixen VC200L VISAC Cassegrain
Vixen ED80sf Refractor
SBIG ST10XME camera
Orion Optics (uk) OMC140 Maskutov Cassegrain
Vixen GP mount
Coronado Solarmax40
13" F5.6 ATM trusstube dobson
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fourstars
sage
Reged: 07/12/06
Posts: 371
Loc: Wild West.
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The gap with the Sbig filters is where most light pollution would fall, so that makes sense. Not sure the wavelength of Sodium at 570nm, but still better then the astronomik's?
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Staring off into space is highly underated!
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