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Author Topic: Help with filters required  (Read 998 times)

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Offline mwforre

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Help with filters required
« on: 15:43:00, 08 January, 2016 »
I live in cheltenham and light pollution is pretty bad.

What filters will I need to help reduce this.

I currently use an edge 8 hd with a Hyperstar lens attached to an atik 420 colour.

Any help is greatfully appreciated.

Offline Roger B

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Re: Help with filters required
« Reply #1 on: 18:29:59, 08 January, 2016 »
One of the best light pollution filters is the Idas filter but it's expensive for a bit of glass,  I think the 2" is only about £20 more than the 1.25,   

The Astronomic CLS filter is also a good choice @ a lesser price.

Roger 
Scopes - TS65q, W/O 110 Triplet
Mount - EQ6 PRO via  Eqmod,  Rowan belt modded
Cameras - SX694, QSI583WSG,Lodestar Guidecam, GP-Cam, QHY5II.
TS 9mm OAG
Quantum 7x1.25 EFW, Baader LRGB,Ha,OIII,SII Filters 
Quark chromo

SGPro, Pixinsight.

************AND NO TIME TO USE IT************

Offline Nomis Elfactem

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Re: Help with filters required
« Reply #2 on: 17:45:03, 09 January, 2016 »
As Rog says the IDAS gets great review... I have the IDAS HEUIB-II UV/IR Blocking Filter which cuts out a lot of LP and is a great UV/IR block - it doesn't filter the specific emissions lines of street lights etc but it made a lot of difference for me - I live 15miles south of you in Kings Stanley so don't have as much LP as you but can recommend the IDAS.

S.
Simon

Scopes: Astro-Tech AT-111EDT Triplet, TS65ED Quad, Orion ST80, Modded PST-90 Solar Scope, PST Cak (on loan)
Cameras: SXVF H694, Atik 16ic, Canon EOS 600d, DMK41, DMK21, QHY 5L-II (mono & colour)
Accessories: SX USB Filter Wheel, SX OAG, Baader LRGB Ha SI OII Filters, SharpSky Focuser
Mount: EQ6 (EQMOD), SW Star Adventurer, plus a lot (and I mean a lot) of other bits and pieces

Offline MattJenko

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Re: Help with filters required
« Reply #3 on: 10:24:37, 22 February, 2016 »
Getting a filter into the hyperstar imaging train is the challenge. For that setup, you can get away with a 1.25 filter, but at that speed I am not sure if normal light pollution filters are up to it. I would choose the IDAS P2 Light Pollution Suppression Filter in general but I would speak to your retailer of choice to see if it suitable for a setup at that speed of system.

 

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